Bicycle for two



FIG. 1 is a top plan view of a bicycle for two showing my new design;

FIG. 2 is an elevation view thereof;

FIG. 3 is an opposite side elevation view thereof;

FIG. 4 is a front elevation view thereof; and

FIG. 5 is a rear elevation view thereof. 

The ornamental design for a bicycle for two, as shown. 